How to build talos with custom kernel extensions

talos-build.sh

# Builds pkg
cd ./pkgs
git checkout release-1.9
make PKGS_PREFIX=ghcr.io/kvaps/talos PUSH=1 USERNAME=kvaps/talos PLATFORM=linux/amd64

# output would be:
# => pushing manifest for ghcr.io/kvaps/talos/base:v1.9.0-15-g45c4ba4-dirty@sha256:f3d0f691752e3158c4f36b05e4b5abad2e68437f0faa0928887e69e568ca364d

# Builds talos (with clustom pkgs)
cd ./talos
git checkout release-1.9
sed '/platform=arm64/d' -i Dockerfile
sed '/--from=[^ ]\+-arm64 /d' -i Dockerfile
make installer imager PKGS_PREFIX=ghcr.io/kvaps/talos PKGS=v1.9.0-15-g45c4ba4-dirty PUSH=1 USERNAME=kvaps/talos PLATFORM=linux/amd64

# Builds extensions with specific PKGS
cd ./extensions
git checkout release-1.9
make PKGS_PREFIX=ghcr.io/kvaps/talos PKGS=v1.9.0-15-g45c4ba4-dirty PUSH=1 USERNAME=kvaps/talos PLATFORM=linux/amd64 TARGETS='drbd zfs'

# Get final talos image out of imager
docker run --privileged -v /dev:/dev --rm -i <imager> image --platform=nocloud --arch amd64 --tar-to-stdout > 1.tgz
tar xvf 1.tgs